#ifndef PARTICLE
#define PARTICLE
extern int g_particleIndex;
class Particle
{
public:
	int id;
	vec3f pos;
	vec3f vel;
	vec3f prevVel;
	Particle(vec3f _pos, vec3f _vel) {
		pos = _pos;
		vel = _vel;
		id = g_particleIndex++;
	}
};
#endif